A, B and C can complete a work in 12, 24, 36 days respectively. In how many days will they together complete the work
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Step-by-step explanation:
A does (1/12)th of the work in a day.
B does (1/24)th of the work in a day.
C does (1/36)th of the work in a day.
A, B and C working together for 'x' days to complete a work.
As you know, time xcapacity=work
so, 'x' days x total capacity=work
Mathematically,
Xx{1/12 + 1/24 + 1/36}=1 (right hand side, 1 show a single work has to do).
Xx{11/72} = 1
X = 72/11 days.
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